Printronix L5535 Operator's Manual page 19

Keep combustible materials away from the printer. Dispose of used
toner properly, as it is flammable.
Keep away from components in the printer that are potentially
hazardous or easily damaged. For example, the fuser unit becomes
very hot under normal operating conditions, and several
components use high voltage.
Do not block or obstruct any cabinet ventilation slots.
Never spill liquid on the printer. Use only approved cleaning agents
and methods.
Put nothing on the power cord. Do not locate the power cord where
people will walk on it. Do not place the power cord under any
carpet.
Do not lean on or put heavy objects on top of the printer.
Do not put your hand into the power paper stacker when the printer
is in operation.
Turn off the power immediately if the printer emits an unusual noise
or smell.
Do not look directly at the flash lamp light.
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